Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  HD85458  ·  M 81  ·  NGC 3031
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M81 (Ha/R,  O-III/G, O-III/B) C9.25 and C5, 8 hrs, Rick Evans
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M81 (Ha/R, O-III/G, O-III/B) C9.25 and C5, 8 hrs

Getting plate-solving status, please wait...
M81 (Ha/R,  O-III/G, O-III/B) C9.25 and C5, 8 hrs, Rick Evans
Powered byPixInsight

M81 (Ha/R, O-III/G, O-III/B) C9.25 and C5, 8 hrs

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Description

M81 combined Ha and O-III enhanced RGB image from sessions on 6/5/22 (C9.25 with 0.63x reducer and 533MC. 3hrs); 3/20/23 (C5 with 0.63x reducer and L-Pro filter with 533MC, 2 hrs); and 3/30/23 (C5 with Ha and O-III filters with 533MM, 1.5 hrs each filter).  Total imaging time 8 hrs. Sessions co-registered in Astropixel Processor with channel assembly done in GIMP.

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M81 (Ha/R,  O-III/G, O-III/B) C9.25 and C5, 8 hrs, Rick Evans